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<h1 class="epydoc">Source Code for <a href="src.processing.indiutils-module.html">Module src.processing.indiutils</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-docstring">Created on Oct 15, 2012</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">@author: petrina</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">logging</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">numpy</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"> </tt>
<a name="Indiutils"></a><div id="Indiutils-def"><a name="L9"></a><tt class="py-lineno">  9</tt> <a class="py-toggle" href="#" id="Indiutils-toggle" onclick="return toggle('Indiutils');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="src.processing.indiutils.Indiutils-class.html">Indiutils</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Indiutils-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Indiutils-expanded"><a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line">    <tt class="py-docstring">'''</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-docstring">    Calculation tools for the indicator calculation</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt>   </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line">     </tt>
<a name="Indiutils.p5_speed"></a><div id="Indiutils.p5_speed-def"><a name="L14"></a><tt class="py-lineno"> 14</tt> <a class="py-toggle" href="#" id="Indiutils.p5_speed-toggle" onclick="return toggle('Indiutils.p5_speed');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="src.processing.indiutils.Indiutils-class.html#p5_speed">p5_speed</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeseries</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Indiutils.p5_speed-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Indiutils.p5_speed-expanded"><a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line">        <tt class="py-docstring">'''</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-docstring">        calculates the 5th percentile of speeds using the standard deviation from the timeseries for every time interval.</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-docstring">        If there is no data on a specific time interval the value is set to None.</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-docstring">        Following formula is applied to calculate the P:</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-docstring">            P05_v_i = v_avg_i - 1.96 * std_i</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-docstring">                - p05_v_i ... 5th percentile of speeds for the time interval i</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-docstring">                - v_avg ... harmonic speed provided by the Agg_record-object</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-docstring">                - std_i ... standard deviation at the time interval i</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-docstring">                </tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-docstring">        @return: values (numeric value of the percentile or None) in a list for every interval</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line">         </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-0" class="py-name" targets="Variable src.datastructure.link.Link.timeseries=src.datastructure.link.Link-class.html#timeseries"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-0', 'timeseries', 'link-0');">timeseries</a></tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt>  </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">            <tt class="py-name">p</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt id="link-1" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-1', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-2" class="py-name" targets="Variable src.datastructure.agg_record.Agg_record.speed_avg=src.datastructure.agg_record.Agg_record-class.html#speed_avg"><a title="src.datastructure.agg_record.Agg_record.speed_avg" class="py-name" href="#" onclick="return doclink('link-2', 'speed_avg', 'link-2');">speed_avg</a></tt> <tt class="py-op">-</tt> <tt class="py-number">1.96</tt> <tt class="py-op">*</tt> <tt id="link-3" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-3', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Variable src.datastructure.agg_record.Agg_record.std=src.datastructure.agg_record.Agg_record-class.html#std"><a title="src.datastructure.agg_record.Agg_record.std" class="py-name" href="#" onclick="return doclink('link-4', 'std', 'link-4');">std</a></tt> <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-5" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-5', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt> <tt class="py-keyword">else</tt> <tt class="py-name">None</tt> <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt id="link-6" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-6', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">]</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Variable src.datastructure.agg_record.Agg_record.count=src.datastructure.agg_record.Agg_record-class.html#count"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-7', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line">                <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-8" class="py-name" targets="Package src.error=src.error-module.html"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-8', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: %d missing value(s) in timeseries - cannot find P5 of speeds"</tt><tt class="py-op">%</tt><tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-9', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">)</tt>  </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">p</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">            <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-10', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: cannot calculate P05 of speeds because there are no timeseries"</tt><tt class="py-op">)</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">            <tt class="py-comment">#Indicator_exception("cannot calculate P95 of travel times because there are no timeseries")</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">  </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line"> </tt>
<a name="Indiutils.p95_tt"></a><div id="Indiutils.p95_tt-def"><a name="L39"></a><tt class="py-lineno"> 39</tt> <a class="py-toggle" href="#" id="Indiutils.p95_tt-toggle" onclick="return toggle('Indiutils.p95_tt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="src.processing.indiutils.Indiutils-class.html#p95_tt">p95_tt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeseries</tt><tt class="py-op">,</tt> <tt class="py-param">length</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Indiutils.p95_tt-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Indiutils.p95_tt-expanded"><a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line">        <tt class="py-docstring">'''</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt class="py-docstring">        calculates the 95th percentile of travel times using the standard deviation from the timeseries for every time interval.</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">        If there is no data on a specific time interval the value is set to None.</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring">        If ther are no timeseries the method will raise an error. </tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"><tt class="py-docstring">        Following formula is applied to calculate the P:</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line"><tt class="py-docstring">            P95_tt_i = l/P05_v_i</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line"><tt class="py-docstring">            P05_v_i = v_avg_i - 1.96 * std_i</tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"><tt class="py-docstring">            </tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"><tt class="py-docstring">                - P95_tt_i ... 95th percentile travel time for the time interval i</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"><tt class="py-docstring">                - p05_v_i ... 5th percentile of speeds for the time interval i</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"><tt class="py-docstring">                - l ... link-length</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"><tt class="py-docstring">                - v_avg ... harmonic speed provided by the Agg_record-object</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">                - std_i ... standard deviation at the time interval i</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">        @return: values (numeric value of the percentile or None) in a list for every interval</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">         </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-11" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-11', 'timeseries', 'link-0');">timeseries</a></tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">            <tt class="py-name">p</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">None</tt> <tt class="py-keyword">if</tt> <tt class="py-name">p5</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">else</tt> <tt id="link-12" class="py-name" targets="Variable src.datastructure.link.Link.length=src.datastructure.link.Link-class.html#length,Variable src.datastructure.linkset.Linkset.length=src.datastructure.linkset.Linkset-class.html#length"><a title="src.datastructure.link.Link.length
src.datastructure.linkset.Linkset.length" class="py-name" href="#" onclick="return doclink('link-12', 'length', 'link-12');">length</a></tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-name">p5</tt><tt class="py-op">+</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">p5</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-13" class="py-name" targets="Method src.processing.indiutils.Indiutils.p5_speed()=src.processing.indiutils.Indiutils-class.html#p5_speed"><a title="src.processing.indiutils.Indiutils.p5_speed" class="py-name" href="#" onclick="return doclink('link-13', 'p5_speed', 'link-13');">p5_speed</a></tt><tt class="py-op">(</tt><tt id="link-14" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-14', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt id="link-15" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-15', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">.</tt><tt id="link-16" class="py-name" targets="Variable src.datastructure.agg_record.Agg_record.is_kph=src.datastructure.agg_record.Agg_record-class.html#is_kph,Variable src.datastructure.link.Link.is_kph=src.datastructure.link.Link-class.html#is_kph,Method src.datastructure.record_list.Record_list.is_kph()=src.datastructure.record_list.Record_list-class.html#is_kph"><a title="src.datastructure.agg_record.Agg_record.is_kph
src.datastructure.link.Link.is_kph
src.datastructure.record_list.Record_list.is_kph" class="py-name" href="#" onclick="return doclink('link-16', 'is_kph', 'link-16');">is_kph</a></tt><tt class="py-op">:</tt>  </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">                <tt class="py-name">p</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">None</tt> <tt class="py-keyword">if</tt> <tt class="py-name">ptt</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt> <tt class="py-keyword">else</tt> <tt class="py-name">ptt</tt><tt class="py-op">*</tt><tt class="py-number">3.6</tt> <tt class="py-keyword">for</tt> <tt class="py-name">ptt</tt> <tt class="py-keyword">in</tt> <tt class="py-name">p</tt><tt class="py-op">]</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-17', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">                <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-18', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: %d missing value(s) in timeseries - cannot find P95 of travel times "</tt><tt class="py-op">%</tt><tt class="py-name">p</tt><tt class="py-op">.</tt><tt id="link-19" class="py-name"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-19', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line"> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">p</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">            <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-20', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: cannot calculate P95 of travel times because there are no timeseries"</tt><tt class="py-op">)</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">            <tt class="py-comment">#Indicator_exception("cannot calculate P95 of travel times because there are no timeseries")   </tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line">     </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">     </tt>
<a name="Indiutils.stddev_speed"></a><div id="Indiutils.stddev_speed-def"><a name="L73"></a><tt class="py-lineno"> 73</tt> <a class="py-toggle" href="#" id="Indiutils.stddev_speed-toggle" onclick="return toggle('Indiutils.stddev_speed');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="src.processing.indiutils.Indiutils-class.html#stddev_speed">stddev_speed</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeseries</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Indiutils.stddev_speed-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Indiutils.stddev_speed-expanded"><a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line">        <tt class="py-docstring">'''</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring">        returns the standard deviation of speeds using the standard deviation from the timeseries for every time interval.</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring">        If the timeseries-object is None an error will be raised. If there is no data on a specific time interval,</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"><tt class="py-docstring">        the value on this interval is None.</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">        @return: values (numeric value of the standard deviation or None) in a list for every interval</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">         </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-21" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-21', 'timeseries', 'link-0');">timeseries</a></tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt>          </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">            <tt class="py-name">stddev</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt id="link-22" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-22', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name"><a title="src.datastructure.agg_record.Agg_record.std" class="py-name" href="#" onclick="return doclink('link-23', 'std', 'link-4');">std</a></tt> <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-24" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-24', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt> <tt class="py-keyword">else</tt> <tt class="py-name">None</tt> <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt id="link-25" class="py-name"><a title="src.datastructure.link.Link.timeseries" class="py-name" href="#" onclick="return doclink('link-25', 'timeseries', 'link-0');">timeseries</a></tt><tt class="py-op">]</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">stddev</tt><tt class="py-op">.</tt><tt id="link-26" class="py-name"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-26', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">                <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-27', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: %d missing value(s) in timeseries - cannot find standard deviation of speeds"</tt><tt class="py-op">%</tt><tt class="py-name">stddev</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="src.datastructure.agg_record.Agg_record.count" class="py-name" href="#" onclick="return doclink('link-28', 'count', 'link-7');">count</a></tt><tt class="py-op">(</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">             </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">stddev</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">         </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">            <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-29" class="py-name"><a title="src.error" class="py-name" href="#" onclick="return doclink('link-29', 'error', 'link-8');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"Indiutils: cannot calculate the standard deviation of speeds because there are no timeseries"</tt><tt class="py-op">)</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">            <tt class="py-comment">#Indicator_exception("cannot calculate the standard deviation of speeds because there are no timeseriess")</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line"> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line"> </tt>
<a name="Indiutils.calc_average_of"></a><div id="Indiutils.calc_average_of-def"><a name="L97"></a><tt class="py-lineno"> 97</tt> <a class="py-toggle" href="#" id="Indiutils.calc_average_of-toggle" onclick="return toggle('Indiutils.calc_average_of');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="src.processing.indiutils.Indiutils-class.html#calc_average_of">calc_average_of</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">records</tt><tt class="py-op">,</tt> <tt class="py-param">attribute</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Indiutils.calc_average_of-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Indiutils.calc_average_of-expanded"><a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-docstring">'''</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-docstring">        calculates the average for a given attribute for all intervals as list</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line"><tt class="py-docstring">        @param attribute: attribute of agg_record (e.g. speed, traveltime) as string </tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">         </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">        <tt class="py-name">int_data</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">_</tt><tt class="py-op">,</tt> <tt class="py-name">list</tt> <tt class="py-keyword">in</tt> <tt id="link-30" class="py-name" targets="Variable src.datastructure.link.Link.records=src.datastructure.link.Link-class.html#records"><a title="src.datastructure.link.Link.records" class="py-name" href="#" onclick="return doclink('link-30', 'records', 'link-30');">records</a></tt><tt class="py-op">.</tt><tt id="link-31" class="py-name" targets="Method src.datastructure.interval_list.Interval_list.items()=src.datastructure.interval_list.Interval_list-class.html#items,Method src.datastructure.record_list.Record_list.items()=src.datastructure.record_list.Record_list-class.html#items"><a title="src.datastructure.interval_list.Interval_list.items
src.datastructure.record_list.Record_list.items" class="py-name" href="#" onclick="return doclink('link-31', 'items', 'link-31');">items</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">            <tt class="py-name">int_data</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">getattr</tt><tt class="py-op">(</tt><tt class="py-name">rec</tt><tt class="py-op">,</tt> <tt class="py-name">attribute</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">rec</tt> <tt class="py-keyword">in</tt> <tt class="py-name">list</tt><tt class="py-op">]</tt><tt class="py-op">)</tt>  </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">                 </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">        <tt class="py-comment"># mean for every interval (None if the interval is empty)</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-name">None</tt> <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt> <tt class="py-keyword">else</tt> <tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">mean</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">data</tt> <tt class="py-keyword">in</tt> <tt class="py-name">int_data</tt><tt class="py-op">]</tt> </tt>
</div></div><a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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